Analysis
- max time kernel
148s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
17/10/2024, 02:04
Behavioral task
behavioral1
Sample
9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe
Resource
win7-20240903-en
General
- Target 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe
- Size 83KB
- Sample241017-chdnsazemq
- SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
- MD5 06560b5e92d704395bc6dae58bc7e794
- SHA1 fbd3e4ae28620197d1f02bfc24adaf4ddacd2372
- SHA512 b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3
- SSDEEP 1536:27zFjdFmav82WoPRgMRmtMJXlXXwfAbQaQG9MF7vRjoJrl:yRyO+oPKjoBAIcZF7vqrl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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phorphiex
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http://185.215.113.66/
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http://91.202.233.141/
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0xCa90599132C4D88907Bd8E046540284aa468a035
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TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
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qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
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XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
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rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
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AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
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LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB
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MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q
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4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD
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15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
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1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK
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ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
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3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
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3ESHude8zUHksQg1h6hHmzY79BS36L91Yn
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DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
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t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
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stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
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bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
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bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
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bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
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bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
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GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
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mutex
mmn7nnm8na
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Signatures
- Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysppvrdnvs.exe - Phorphiex payload 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023b8f-3.dat family_phorphiex -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysppvrdnvs.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 208 powershell.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation sysppvrdnvs.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 2544117204.exe - Executes dropped EXE 3 IoCs
pid Process 1548 sysppvrdnvs.exe 1724 2544117204.exe 3700 181058317.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sysppvrdnvs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe" 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\sysppvrdnvs.exe 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe File opened for modification C:\Windows\sysppvrdnvs.exe 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe - Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4896 sc.exe 3152 sc.exe 2272 sc.exe 3388 sc.exe 2648 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysppvrdnvs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 181058317.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 208 powershell.exe 208 powershell.exe 1724 2544117204.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 208 powershell.exe Token: SeDebugPrivilege 1724 2544117204.exe - Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 4700 wrote to memory of 1548 4700 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe 87 PID 4700 wrote to memory of 1548 4700 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe 87 PID 4700 wrote to memory of 1548 4700 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe 87 PID 1548 wrote to memory of 3476 1548 sysppvrdnvs.exe 90 PID 1548 wrote to memory of 3476 1548 sysppvrdnvs.exe 90 PID 1548 wrote to memory of 3476 1548 sysppvrdnvs.exe 90 PID 1548 wrote to memory of 3312 1548 sysppvrdnvs.exe 92 PID 1548 wrote to memory of 3312 1548 sysppvrdnvs.exe 92 PID 1548 wrote to memory of 3312 1548 sysppvrdnvs.exe 92 PID 3476 wrote to memory of 208 3476 cmd.exe 94 PID 3476 wrote to memory of 208 3476 cmd.exe 94 PID 3476 wrote to memory of 208 3476 cmd.exe 94 PID 3312 wrote to memory of 3152 3312 cmd.exe 95 PID 3312 wrote to memory of 3152 3312 cmd.exe 95 PID 3312 wrote to memory of 3152 3312 cmd.exe 95 PID 3312 wrote to memory of 2272 3312 cmd.exe 96 PID 3312 wrote to memory of 2272 3312 cmd.exe 96 PID 3312 wrote to memory of 2272 3312 cmd.exe 96 PID 3312 wrote to memory of 3388 3312 cmd.exe 97 PID 3312 wrote to memory of 3388 3312 cmd.exe 97 PID 3312 wrote to memory of 3388 3312 cmd.exe 97 PID 3312 wrote to memory of 2648 3312 cmd.exe 98 PID 3312 wrote to memory of 2648 3312 cmd.exe 98 PID 3312 wrote to memory of 2648 3312 cmd.exe 98 PID 3312 wrote to memory of 4896 3312 cmd.exe 99 PID 3312 wrote to memory of 4896 3312 cmd.exe 99 PID 3312 wrote to memory of 4896 3312 cmd.exe 99 PID 1548 wrote to memory of 1724 1548 sysppvrdnvs.exe 106 PID 1548 wrote to memory of 1724 1548 sysppvrdnvs.exe 106 PID 1724 wrote to memory of 4396 1724 2544117204.exe 107 PID 1724 wrote to memory of 4396 1724 2544117204.exe 107 PID 1724 wrote to memory of 4280 1724 2544117204.exe 109 PID 1724 wrote to memory of 4280 1724 2544117204.exe 109 PID 4396 wrote to memory of 3152 4396 cmd.exe 111 PID 4396 wrote to memory of 3152 4396 cmd.exe 111 PID 4280 wrote to memory of 2532 4280 cmd.exe 112 PID 4280 wrote to memory of 2532 4280 cmd.exe 112 PID 1548 wrote to memory of 3700 1548 sysppvrdnvs.exe 113 PID 1548 wrote to memory of 3700 1548 sysppvrdnvs.exe 113 PID 1548 wrote to memory of 3700 1548 sysppvrdnvs.exe 113 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe"C:\Users\Admin\AppData\Local\Temp\9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\sysppvrdnvs.exeC:\Windows\sysppvrdnvs.exe2⤵
- Modifies security service
- Windows security bypass
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:208
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\SysWOW64\sc.exesc stop UsoSvc4⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3152
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C:\Windows\SysWOW64\sc.exesc stop WaaSMedicSvc4⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2272
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C:\Windows\SysWOW64\sc.exesc stop wuauserv4⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3388
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C:\Windows\SysWOW64\sc.exesc stop DoSvc4⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2648
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C:\Windows\SysWOW64\sc.exesc stop BITS /wait4⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4896
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C:\Users\Admin\AppData\Local\Temp\2544117204.exeC:\Users\Admin\AppData\Local\Temp\2544117204.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f4⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\system32\reg.exereg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f5⤵PID:3152
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"4⤵
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\system32\schtasks.exeschtasks /delete /f /tn "Windows Upgrade Manager"5⤵PID:2532
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C:\Users\Admin\AppData\Local\Temp\181058317.exeC:\Users\Admin\AppData\Local\Temp\181058317.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3700
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YY018DS9\1[1]
- Size 108KB
- SHA256 84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
- MD5 1fcb78fb6cf9720e9d9494c42142d885
- SHA1 fef9c2e728ab9d56ce9ed28934b3182b6f1d5379
- SHA512 cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3
- SSDEEP 3072:LFQC4AbS79Bo0bTtS3v4P09loyBE7QXNn8IJrF:LFQC4A+7jfiw8HoyYQXdXF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\181058317.exe
- Size 15KB
- SHA256 981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
- MD5 0c37ee292fec32dba0420e6c94224e28
- SHA1 012cbdddaddab319a4b3ae2968b42950e929c46b
- SHA512 2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b
- SSDEEP 384:M2moXxWtTFRyGMdMdMdMdMdMdMdMdMP/F2:MJoi6g
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\2544117204.exe
- Size 8KB
- SHA256 5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
- MD5 cb8420e681f68db1bad5ed24e7b22114
- SHA1 416fc65d538d3622f5ca71c667a11df88a927c31
- SHA512 baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf
- SSDEEP 192:Otk3w0++KjlRC5vVkDlBj9k2cugyJBLCsZ:OEYjlRAGlBj9kSgiLC0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cjuzsl3s.4pp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Windows\sysppvrdnvs.exe
- Size 83KB
- SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
- MD5 06560b5e92d704395bc6dae58bc7e794
- SHA1 fbd3e4ae28620197d1f02bfc24adaf4ddacd2372
- SHA512 b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3
- SSDEEP 1536:27zFjdFmav82WoPRgMRmtMJXlXXwfAbQaQG9MF7vRjoJrl:yRyO+oPKjoBAIcZF7vqrl
- MD5 SHA1 SHA512 SSDEEP